000 00315nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a658.4034 SWA
100 _aSwarupKant), Gupta (P.K) & mohani(Man)
245 _aOperations Research
260 _aNEW DELHI
_bSultanchand & Sons
365 _cRS
999 _c214875
_d214875